Because you like Sheldon J. Plankton in SpongeBob SquarePants

Merry Brandybuck is a troublemaking hobbit with a brave streak that some might call foolhardy. See them in The Lord of the Rings.

Alex Danvers is a brilliant engineer tasked with alien threats, and one of those aliens is her adopted sister Supergirl. See them in Supergirl.

Jade Jade Harley might not be the best at reading social cues, but her bravery and selflessness means she's a great friend to have. See them in Homestuck.

Although Theon Greyjoy is treated well, he's still essentially a hostage. And that isn't so easy for him to forgive. See them in Game of Thrones.

Underneath Fakir's sarcastic exterior is a loyal friend. But his loyalty borders on being possessive of his friends. See them in Princess Tutu.

A laid-back wanderer, Ginko has an empathetic, open-minded worldview. See them in Mushishi.

The personification of America is all about superheroes, hamburgers, and spreading democracy and justice. See them in Axis Powers Hetalia.

A working class janitor with a world-class mind, Will Hunting is cocky, brash, and combative about his future. See them in Good Will Hunting.

Years of brutal winters, foreign invasions, and crippling loneliness have left Russia's mental state far from wholly intact. See them in Axis Powers Hetalia.

Humble, caring, and protective, Scott McCall tries to make the best of his newfound status as a werewolf. See them in Teen Wolf.

An alien, a time-traveler, and an esper are following Haruhi Suzumiya, who – unknown to herself – is a near-omnipotent reality warper. See them in The Melancholy of Haruhi Suzumiya.

It's easy to see why Poe Dameron would side with the rebellion: he's bad at taking orders, likes to show off, and is committed to the cause. See them in Star Wars Series.